Every month, 100,000 readers use the Dinosaur Database, but we receive no support from you. Developing and updating the database requires a lot of work. Therefore, as of September 1, 2025, the database will be closed. If you want it to remain open and be updated, please support us via the "Buy us a coffee" button available on every page or via the Support page.
Dinosaur: Eomamenchisaurus yuanmouensis
Jurassic: 174.7–168.2 Ma

Length*: | 15.5 m | 50.9 ft |
Weight*: | 4.5 t | 9,921 lb |
*The largest known specimen
Locations
Sources
Material: Eight dorsal vertebrae, partial sacrum, right ilium, right pubis, two incomplete ischia, right tibia, and both femora.
References: Junchang, L., Tianguang, L., Shimin, Z., Qiang, J., & Shaoxue, L. (2008). A New Mamenchisaurid Dinosaur from the Middle Jurassic of Yuanmou, Yunnan Province, China.
________________________